THY1 and osteoarthritis: This approach was proven feasible in an in vivo model of osteoarthritis: coupling glucocorticoid-loaded NPs with a wrapping with CD90+MSCs-derived membranes reactivated chondrocyte proliferation, as already demonstrated for CD90+ MSC alone, and—at the same time—allowed compensation for the poor anti-inflammatory and analgesic properties of the cells by on-site drug release [28,29].